density
No
The Greek city states (polis) were formed out of the Homeric period because of the iron age and Greece's impossible terrain. During the Homeric period the Mycenaean Greeks were in control of most of Greece's vast areas since their kings had bronze weapons. When iron was discovered that enabled anyone to make weapons, the kings lost their empires and the people began to form communities according to Greece's natural borders.
Relatively anything. Paper and plastic are its main uses.
with pi
Egypt as a nation-state still exists today as Egypt, in relatively the same location as their entire history.
Red Dwarfs
endothermic.designating or pertaining to animals, as mammals and birds, whose blood ranges in temperatures from about 98° to 112°F (37° to 44°C) and remains relatively constant, irrespective of the temperature of the surrounding medium; homoiothermal.
my wee wee
troposhere
it is the earth ration
volatile
A thermophile is a bacteria or other organism that thrives at relatively high temperatures.
Personal
Not all of them. Mercury is liquid at room temperature. Bismuth and lead melt at relatively low temperatures.
They are cooler than the surrounding surface of the sun.
High Specific Heat
Ocean Currents